Mokhoa oa OVD: 150mm G.652.D Optical Fiber Preform
Litlhaloso tsa Preform
Preform Dimensions
Litekanyo tsa preform li tla ba joalo ka ho Lethathamo la 1.1 le ka tlase.
Lethathamo la 1.1 Preform Dimensions
Ntho | Litlhoko | Ela hloko | |
1 | Karolelano ea bophara ba Preform (OD) | 135 ~ 160 limilimithara | (Tlhokomeliso 1.1) |
2 | Maximum Preform Diameter (ODmax) | ≤ 160 limilimithara | |
3 | Minimum Preform Diameter (ODmin) | ≥ 130 limilimithara | |
4 | Mamello ea OD (ka hare ho Preform) | ≤ 20 mm (karolong e otlolohileng) | |
5 | Preform Length (ho kenyeletsoa le karolo ea ho tšoara) | 2600 ~ 3600 limilimithara | (Tlhokomeliso 1.2) |
6 | Bolelele bo sebetsang | ≥ 1800 limilimithara | |
7 | Bolelele ba taper | ≤ 250 limilimithara | |
8 | Diameter qetellong ea taper | ≤30 | |
9 | Preform Non-circularity | ≤ 1% | |
10 | Phoso ea Concentricity | ≤ 0.5 μm | |
11 | Ponahalo | (Tlhokomeliso 1.4&1.5) |
Setšoantšo sa 1.1 Sebopeho sa Preform
Tlhokomeliso 1.4: Li-bubble tse sebakeng sa ka ntle (sheba setšoantšo sa 1.2) li tla lumelloa, ho itšetlehile ka boholo; palo ea li-bubble ka bophahamo ba yuniti e ke ke ea feta tse boletsoeng ho Lethathamo la 1.2 le ka tlase.
Lethathamo la 1.2 Bubble ho Preform
Sebaka le boholo ba Bubble | Nomoro / 1,000 cm3 | |
Sebaka sa mantlha (=makono + a ka hare) | (Sheba Ntlha ea 1.5) | |
Sebaka sa Kantle sa Cladding (=sehokelo + seaparo sa ka ntle) | ~ 0.5 limilimithara | Ha ho Palo |
0.5 ~ 1.0 limilimithara | ≤ 10 | |
1.0 ~ 1.5 limilimithara | ≤2 | |
1.5 ~ 2.0 limilimithara | ≤ 1.0 | |
2.1 limilimithara ~ | (Sheba Ntlha ea 1.5) |
Setšoantšo sa 1.2 Pono e fapaneng ea Preform
Setšoantšo sa 1.2 Pono e fapaneng ea Preform
Boima ba Tefiso
Sepheo sa Litšobotsi tsa Fiber
Ha maemo a ho taka le litekanyo tsa tekanyo li le ntle ebile li tsitsitse, li-preforms li tla lebelloa hore li finyelle litlhaloso tsa faeba tse lebeletsoeng joalo ka ha li bonts'itsoe ho Lethathamo la 2.1.
Lethathamo la 2.1 Litšobotsi tsa Fiber tse reriloeng
Ntho | Litlhoko |
| |
1 | Attenuation ka 1310 nm | ≤ 0.34 dB/km |
|
Attenuation ka 1383 nm | ≤ 0.34 dB/km | (Tlhokomeliso 2.1) | |
Attenuation ka 1550 nm | ≤ 0.20 dB/km |
| |
Attenuation ka 1625 nm | ≤ 0.23 dB/km |
| |
Ho tšoana ha Attenuation | ≤ 0.05 dB/km ho 1310&1550 nm |
| |
2 | Mode Field Diameter ho 1310 nm | 9.1± 0.4 µm |
|
3 | Cable Cutoff Wavelength (λcc) | ≤ 1260 nm |
|
4 | Zero Dispersion Wavelength (λ0) | 1300 ~ 1324 nm |
|
5 | Phatlalatso ho 1285 ~ 1340 nm | -3.8 ~ 3.5 ps/(nm·km) |
|
6 | Phatlalatso ea 1550 nm | 13.3 ~ 18.6 ps/(nm·km) |
|
7 | Phatlalatso ea 1625 nm | 17.2 ~ 23.7 ps/(nm·km) |
|
8 | Moepa oa Phatlalatso ho λ0 | 0.073 ~ 0.092 ps/(nm2·km) |
|
9 | Phoso ea Core Concentricity | ≤ 0.6 µm |
Tlhokomeliso 2.1: The attenuation ho 1383 nm ka mor'a tlhahlobo ea botsofali ba hydrogen e ke ke ea kenyelletsoa ho Lethathamo la 2.1 hobane e itšetlehile haholo ka maemo a ho taka fiber.